The XC9216A28CMR is a synchronous step-down DC/DC converter manufactured by Torex Semiconductor Ltd. It is designed for applications requiring high efficiency and a compact solution size. This converter integrates a control IC and an inductor in a single package, simplifying the design process and reducing the overall footprint on the PCB.

Applications:

• Power management in IoT devices
• Point-of-load regulation in industrial equipment
• Voltage regulation in wearable electronics
• Powering microcontrollers and microprocessors
• Battery-powered applications

Features:

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 2.8V (fixed)
• Output Current: Up to 600mA
• Oscillation Frequency: 3.0MHz
• Integrated Inductor: Simplifies design and reduces component count
• Synchronous Rectification: High efficiency conversion
• Low Quiescent Current: Contributes to extended battery life
• Soft-Start Function: Prevents inrush current during startup
• Short Circuit Protection: Protects the converter and connected devices from damage
• Overcurrent Protection: Limits the output current to a safe level
• Thermal Shutdown Protection: Shuts down the converter if the temperature exceeds a safe limit
• Compact Package: Small footprint for space-constrained applications

Benefits:

• High Efficiency: The synchronous rectification topology ensures high efficiency, minimizing power loss and heat generation.
• Small Footprint: The integrated inductor reduces the number of external components and allows for a smaller PCB footprint.
• Simplified Design: The integrated solution simplifies the design process and reduces the time to market.
• Reliable Operation: Built-in protection features such as short circuit protection, overcurrent protection, and thermal shutdown protection ensure reliable operation.
• Extended Battery Life: Low quiescent current and high efficiency contribute to extended battery life in portable applications.
• Stable Output Voltage: The converter provides a stable and regulated output voltage, ensuring proper operation of connected devices.

Additional Details:

The XC9216A28CMR utilizes a PWM (Pulse Width Modulation) control scheme to regulate the output voltage. The device is available in a compact CL-2025 package. Its high switching frequency allows for the use of small external capacitors, further reducing the solution size. The converter is RoHS compliant and halogen-free. This DC/DC converter is an excellent choice for applications requiring a high-performance, compact, and efficient power solution.